Spousal Care Intensity, Socioeconomic Status, and Depression among the Older Caregivers in China: A Study on 2011–2018 CHARLS Panel Data
Abstract
:1. Introduction
2. Theoretical Basis and Hypotheses
- Depression in older spousal caregivers is influenced by caregiving stressors. There is no threshold of care intensity that affects depression levels. The longer the time spent on caring for a spouse and the higher the level of disability of the spouse being cared for, then the higher the level of depression will be in the older caregivers.
- The effects of caregiving stressors on depression in spousal caregivers are moderated by the caregiver’s socioeconomic status (Figure 1). The higher the socioeconomic status of an individual, the less likely the intensity of spousal caregiving will influence the level of a caregiver’s depression.
3. Materials and Methods
3.1. Data Source and Study Population
3.2. Measures
3.2.1. Depression
3.2.2. Care Intensity
3.2.3. Socioeconomic Status (SES)
3.2.4. Covariates
3.3. Statistical Analysis
4. Results
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Variables | Measurement | Number (%)/Mean (SD) | |||
---|---|---|---|---|---|
2011 (n = 1511) | 2013 (n = 1511) | 2015 (n = 1228) | 2018 (n = 876) | ||
Dependent variable | |||||
Depression | 0–30, continuous measurement | 9.63 (6.52) | 8.69 (6.03) | 9.13 (6.88) | 9.55 (6.79) |
Core independent variable: Care intensity | |||||
Duration of care for spouses | 0–168 h, continuous measurement | 9.05 (27.04) | 10.14 (23.51) | 15.70 (37.71) | 15.98 (37.31) |
Disability degree of the spouse being cared for * | 6–18, continuous measurement | 9.34 (2.98) | 8.94 (3.18) | 9.32 (3.36) | 9.31 (3.37) |
Duration of care for spouses | No participation (0 h per week) = 0 | 1129 (74.72) | 972 (64.33) | 734 (59.77) | 479 (54.68) |
Low-level care participation (0.1–9.9 h per week) = 1 | 134 (8.87) | 143 (9.46) | 189 (15.39) | 183 (20. 89) | |
Moderate-level care participation (10–39.9 h per week) = 2 | 149 (9.86) | 327 (21.64) | 176 (14.33) | 119 (13.58) | |
High-level care participation (40–168 h per week) = 3 | 99 (6.55) | 69 (4.57) | 129 (10.51) | 95 (10.85) | |
Disability degree of the spouse being cared for | No participation = 0 | 1129 (74.72) | 972 (64.33) | 734 (59.77) | 479 (54.68) |
No disability (unlimited ADL but limited IADL) (ADL = 6) = 1 | 70 (4.63) | 153 (10.13) | 121 (9.85) | 92 (10.50) | |
Mild disability (7–10) = 2 | 223 (14.76) | 260 (17.21) | 253 (20.61) | 209 (23.86) | |
Moderate disability (11–14) = 3 | 64 (4.24) | 90 (5.95) | 72 (5.86) | 60 (6.85) | |
severe disability (15–18) = 4 | 25 (1.65) | 36 (2.38) | 48 (3.91) | 36 (4.11) | |
Moderating variables: Socioeconomic status | |||||
Education | 0–16 years, continuous measurement | 3.74 (3.89) | 3.74 (3.89) | 3.97 (3.95) | 4.24 (3.96) |
Professional prestige before retirement | 0–78, continuous measurement | 24.39 (12.50) | 24.39 (12.50) | 24.60 (12.67) | 24.64 (12.14) |
Annual family income | 0–5 million, continuous measurement | 15725.885 (22262.464) | 17760.867 (39029.371) | 15350.826 (35627.239) | 19344.679 (36654.534) |
Covariates | |||||
Age | 60–88 in 2011, continuous measurement | 66.63 (5.56) | 68.63 (5.56) | 70.07 (5.26) | 72.22 (4.62) |
Gender | Female = 0 | 624 (41.30) | 624 (41.30) | 493 (40.15) | 332 (37.90) |
Male = 1 | 887 (58.70) | 887 (58.70) | 735 (59.85) | 544 (62.10) | |
ADL | Limited = 0 | 1066 (70.55) | 1064 (70.42) | 825 (67.18) | 592 (67.58) |
Unlimited = 1 | 445 (29.45) | 447 (29.58) | 403 (32.82) | 284 (32.42) | |
Area | Rural area = 0 | 1018 (67.37) | 1018 (67.37) | 830 (67.59) | 601 (68.61) |
Urban area = 1 | 493 (32.63) | 493 (32.63) | 398 (32.41) | 275 (31.39) | |
Social activities participation | No = 0 | 833 (55.13) | 740 (48.97) | 673 (54.80) | 499 (56.96) |
Yes = 1 | 678 (44.87) | 771 (51.03) | 555 (45.20) | 377 (43.04) | |
Smoking | No = 0 | 976 (64.59) | 1005 (66.51) | 859 (69.95) | 579 (66.10) |
Yes = 1 | 535 (35.41) | 506 (33.49) | 369 (30.05) | 297 (33.90) | |
Exercise | No = 0 | 257 (17.01) | 261 (17.27) | 194 (15.80) | 121 (13.81) |
Yes = 1 | 1254 (82.99) | 1250 (82.73) | 1034 (84.20) | 755 (86.19) | |
Intergenerational financial support | No = 0 | 1204 (79.68) | 983 (65.06) | 783 (63.76) | 566 (64.61) |
Yes = 1 | 307 (20.32) | 528 (34.94) | 445 (36.24) | 310 (35.39) | |
Intergenerational contact frequency | Seldom or never = 0 | 738 (48.84) | 616 (40.77) | 473 (38.52) | 309 (35.27) |
Often or sometimes = 1 | 773 (51.16) | 895 (59.23) | 755 (61.48) | 567 (64.73) | |
Pension | No = 0 | 1252 (82.86) | 136 (9.00) | 228 (18.57) | 90 (10.27) |
Yes = 1 | 259 (17.14) | 1375 (91.00) | 1000 (81.43) | 786 (89.73) | |
Medical insurance | No = 0 | 80 (5.29) | 39 (2.58) | 12 (0.98) | 32 (3.65) |
Yes = 1 | 1431 (94.71) | 1472 (97.42) | 1216 (99.02) | 844 (96.35) |
Stress Process Model | Measures |
---|---|
Stressors: Care Intensity | |
Caregivers’ involvement | Duration of care for spouses |
Care recipients’ needs | Disability degree of the spouse being cared for |
Moderators: Socioeconomic Status | Education level, professional prestige before retirement, and annual family income |
Outcome: Depression | CESD-10 Scale |
2011 | 2013 | 2015 | 2018 | ||||||
---|---|---|---|---|---|---|---|---|---|
Mean (SD) | p | Mean (SD) | p | Mean (SD) | p | Mean (SD) | p | ||
Duration of care for spouses | No participation (0 h per week) | 9.34(6.38) | 0.030 | 8.11(5.70) | <0.001 | 8.81(6.82) | 0.144 | 9.11(6.60) | 0.053 |
Low-level care participation (0.1–9.9 h per week) | 10.46(6.67) | 9.30(6.32) | 9.12(6.42) | 9.42(6.52) | |||||
Moderate-level care participation (10–39.9 h per week) | 10.32(6.82) | 10.01(6.55) | 9.96(7.09) | 10.80(7.33) | |||||
High-level care participation (40–168 h per week) | 10.75(7.27) | 9.28(6.32) | 9.81(7.46) | 10.43(7.35) | |||||
Disability degree of the spouse being cared for | No participation | 9.34(6.38) | 0.001 | 8.11(5.70) | <0.001 | 8.81(6.82) | 0.006 | 9.11(6.60) | 0.056 |
No disability (unlimited ADL but limited IADL) (ADL = 6) | 8.83(6.96) | 9.88(6.76) | 8.17(6.18) | 8.71(6.60) | |||||
Mild disability (7–10) | 10.41(6.77) | 9.31(6.10) | 9.71(7.13) | 10.50(7.10) | |||||
Moderate disability (11–14) | 11.73(6.92) | 10.43(7.00) | 10.22(7.04) | 10.50(6.96) | |||||
Severe disability (15–18) | 12.52(6.63) | 10.28(6.36) | 11.69(7.05) | 10.36(7.10) |
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | |
---|---|---|---|---|---|
1. Fixed effects | |||||
Core independent variable | |||||
Duration of care for spouses (Continuous variable) | 0.007 ** (0.003) | ||||
Disability degree of the spouse being cared for (Continuous variable) | 0.200 *** (0.053) | ||||
Duration of care for spouses (No participation = 0) | |||||
Low level (0.1–9.9 h per week) | 0.292 (0.234) | ||||
Moderate level (10–39.9 h per week) | 0.931 *** (0.214) | ||||
High level (40–168 h per week) | 0.970 ** (0.300) | ||||
Disability degree of the spouse being cared for (No participation = 0) | |||||
No disability (unlimited ADL but limited IADL) | 0.262 (0.264) | ||||
Mild disability | 0.709 ** (0.195) | ||||
Moderate disability | 1.326 *** (0.342) | ||||
Severe disability | 1.469 ** (0.486) | ||||
Covariates | |||||
Personal characteristics | |||||
Age | 0.092 ** (0.035) | 0.071 (0.072) | 0.085 * (0.035) | 0.073 * (0.035) | |
Gender (female = 0) a | −1.640 *** (0.289) | −1.970 *** (0.515) | −1.627 *** (0.289) | −1.618 *** (0.288) | |
ADL (unlimited = 0) | 2.364 *** (0.184) | 3.181 *** (0.364) | 2.341 *** (0.184) | 2.315 *** (0.185) | |
Area (rural area = 0) a | −1.190 *** (0.283) | −0.772 (0.506) | −1.180 *** (0.282) | −1.167 *** (0.282) | |
Health behaviors | |||||
Social activities participation (No = 0) | −0.424 ** (0.162) | −0.310 (0.313) | −0.429 ** (0.162) | −0.428 ** (0.162) | |
Smoking (No = 0) | 0.122 (0.259) | −0.022 (0.477) | 0.102 (0.259) | 0.105 (0.259) | |
Exercise (No = 0) | −0.154 (0.250) | 0.002 (0.497) | −0.138 (0.250) | −0.148 (0.250) | |
Intergenerational support | |||||
Intergenerational financial support (No = 0) | −0.539 ** (0.168) | −0.870 * (0.367) | −0.533 ** (0.168) | −0.541 ** (0.168) | |
Intergenerational contact frequency (Seldom or never = 0) | −0.593 ** (0.194) | −0.769 * (0.375) | −0.590 ** (0.193) | −0.604 ** (0.193) | |
Social support | |||||
Pension (No = 0) | −0.734 *** (0.164) | −0.779 * (0.340) | −0.762 *** (0.165) | −0.724 *** (0.164) | |
Medical insurance (No = 0) | −0.019 (0.428) | 0.758 (0.928) | −0.060 (0.428) | −0.028 (0.428) | |
Socioeconomic status | |||||
Education a | −00.131 ** (0.036) | −00.090 (0.064) | −00.130 ** (0.036) | −00.128 ** (0.036) | |
Professional prestige before retirement a | −00.036 ** (0.011) | −00.051 ** (0.019) | −00.036 ** (0.011) | −00.038 ** (0.011) | |
Annual family income (natural logarithm) | 0.019 (0.052) | −00.060 (0.109) | 0.027 (0.052) | 0.024 (0.052) | |
Intercept | 9.277 *** (0.137) | 12.303 *** (0.684) | 11.071 *** (1.480) | 12.113 *** (0.685) | 12.097 *** (0.685) |
2. Random effect | |||||
Intercept SD | 4.712 *** (22.205) | 4.152 *** (17.235) | 4.342 *** (18.856) | 4.145 *** (17.182) | 4.139 *** (17.127) |
Linear slope SD | — | 0.501 *** (0.251) | 0.654 *** (0.427) | 0.502 *** (0.253) | 0.505 *** (0.255) |
Residual SD | 4.500 (20.251) | 4.257 (18.122) | 4.212 (17.744) | 4.250 (18.064) | 4.250 (18.060) |
ICC | 0.512 | 0.494 | 0.508 | 0.494 | 0.493 |
Deviance | 32282.476 | 31893.626 | 8727.002 | 31870.600 | 31865.446 |
N | 5126 | 5126 | 1383 | 5126 | 5126 |
Model 6 | Model 7 | |
---|---|---|
DCS (Continuous variable) | 0.013(0.014) | |
DDSBC (Continuous variable) | 0.616 ***(0.173) | |
DCS × Education a | −0.001(0.001) | |
DCS × Professional prestige before retirement a | 0.001(0.001) | |
DCS × Annual family income | −0.001(0.002) | |
DDSBC × Education a | 0.015(0.010) | |
DDSBC × Professional prestige before retirement a | −0.006 **(0.002) | |
DDSBC × Annual family income | −0.037 *(0.021) |
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Ma, J.; Yang, H.; Hu, W.; Khan, H.T.A. Spousal Care Intensity, Socioeconomic Status, and Depression among the Older Caregivers in China: A Study on 2011–2018 CHARLS Panel Data. Healthcare 2022, 10, 239. https://doi.org/10.3390/healthcare10020239
Ma J, Yang H, Hu W, Khan HTA. Spousal Care Intensity, Socioeconomic Status, and Depression among the Older Caregivers in China: A Study on 2011–2018 CHARLS Panel Data. Healthcare. 2022; 10(2):239. https://doi.org/10.3390/healthcare10020239
Chicago/Turabian StyleMa, Jun, Hongyan Yang, Wenxiu Hu, and Hafiz T. A. Khan. 2022. "Spousal Care Intensity, Socioeconomic Status, and Depression among the Older Caregivers in China: A Study on 2011–2018 CHARLS Panel Data" Healthcare 10, no. 2: 239. https://doi.org/10.3390/healthcare10020239
APA StyleMa, J., Yang, H., Hu, W., & Khan, H. T. A. (2022). Spousal Care Intensity, Socioeconomic Status, and Depression among the Older Caregivers in China: A Study on 2011–2018 CHARLS Panel Data. Healthcare, 10(2), 239. https://doi.org/10.3390/healthcare10020239